y Features:
- Mathematical Expression Parsing: Real-time evaluation of expressions including sin, cos, tan, log, ln, sqrt, power exponents (^), and mathematical constants like pi (π) and e.
- Degree/Radian Modes: Fast toggle between DEG and RAD modes for trigonometric calculations.
- Offline History Persistence: Secure, local tracking of calculation history using SharedPreferences (100% offline, zero database required).
- Interactive Workspace